Differential D8684 Diff 40976 docs/content/concepts/solids-pipelines/composite-solids.mdx

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docs/content/concepts/solids-pipelines/composite-solids.mdx

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	### Configuration Mapping			### Configuration Mapping

	Composite solids can also define a config schema. When a composite solid defines a config schema, it must also define a `config_mapping_fn` to map the composite solids config to the wrapped solids' config.			Composite solids can also define a config schema. When a composite solid defines a config schema, it must also define a `config_mapping_fn` to map the composite solids config to the wrapped solids' config.

	```python file=/concepts/solids_pipelines/composite_solids.py startafter=start_composite_mapping_marker endbefore=end_composite_mapping_marker			```python file=/concepts/solids_pipelines/composite_solids.py startafter=start_composite_mapping_marker endbefore=end_composite_mapping_marker
	def config_mapping_fn(config):			def config_mapping_fn(config):
	x = config["x"]			x = config["x"]
	return {"add_n": {"config": {"n": x}}, "multiply_by_m": {"config": {"m": x}}}			return {
				"add_n": {"config": {"n": x}},
				"multiply_by_m": {"config": {"m": x}},
				}


	@composite_solid(			@composite_solid(
	config_fn=config_mapping_fn,			config_fn=config_mapping_fn,
	config_schema={"x": int},			config_schema={"x": int},
	input_defs=[InputDefinition("number", int)],			input_defs=[InputDefinition("number", int)],
	)			)
	def add_x_multiply_by_x(number):			def add_x_multiply_by_x(number):
	return multiply_by_m(add_n(number))			return multiply_by_m(add_n(number))
	```			```

	In this example, the composite solid has only one field in the config schema: `x`. The config mapping function takes config provided to the composite solid and maps it to the wrapped solids.			In this example, the composite solid has only one field in the config schema: `x`. The config mapping function takes config provided to the composite solid and maps it to the wrapped solids.